src/tools/except.h

/* 
 *      HT Editor
 *      except.h
 *
 *      Copyright (C) 1999-2002 Stefan Weyergraf
 *
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License version 2 as
 *      published by the Free Software Foundation.
 *
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __EXCEPT_H__
#define __EXCEPT_H__

#include <errno.h>              // for IOException

#include "tools/data.h"
#include "tools/str.h"

/**
 *      A exception.
 */
class Exception {
public:
                                Exception() throw();
        virtual                 ~Exception();
/* new */
        virtual String &        reason(String &result) const;
};

#define MSG_EXCEPTION_MAX_ERRSTR                256

/**
 *      A described exception.
 */
class MsgException: public Exception {
protected:
        char estr[MSG_EXCEPTION_MAX_ERRSTR];
public:
                MsgException(const char *errstr) throw();
                MsgException() throw();
/* new */
        virtual String &reason(String &result) const;
};

/**
 *      A formatted described exception.
 */
class MsgfException: public MsgException {
public:
                MsgfException(const char *errstr, ...) throw();
};

/**
 *      A I/O exception.
 */
class IOException: public Exception {
protected:
        String errstr;
public:
        int mPosixErrno;

                IOException(int aPosixErrno) throw();
        virtual ~IOException();
/* new */
        virtual String &reason(String &result) const;
};

class InternalException: public Exception {
public:
};

/**
 *      A exception, indicating a not-implemented function.
 */
class NotImplementedException: public InternalException {
protected:
        String  location;
public:
                NotImplementedException(const String &filename, int line_number) throw();
/* new */
        virtual String &reason(String &result) const;
};

/**
 *      A exception, indicating a illegal argument.
 */
class IllegalArgumentException: public InternalException {
protected:
        String  location;
public:
                IllegalArgumentException(const String &filename, int line_number) throw();
/* new */
        virtual String &reason(String &result) const;
};

/**
 *      A exception, indicating a illegal type-cast.
 */
class TypeCastException: public InternalException {
protected:
        String  aresult;
public:
                TypeCastException(const String &cast_type, const String &obj_type) throw();
/* new */
        virtual String &reason(String &result) const;
};

#endif /* __EXCEPT_H__ */

1	dpavlin	1	/*
2			* HT Editor
3			* except.h
4			*
5			* Copyright (C) 1999-2002 Stefan Weyergraf
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License version 2 as
9			* published by the Free Software Foundation.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19			*/
20
21			#ifndef __EXCEPT_H__
22			#define __EXCEPT_H__
23
24			#include <errno.h> // for IOException
25
26			#include "tools/data.h"
27			#include "tools/str.h"
28
29			/**
30			* A exception.
31			*/
32			class Exception {
33			public:
34			Exception() throw();
35			virtual ~Exception();
36			/* new */
37			virtual String & reason(String &result) const;
38			};
39
40			#define MSG_EXCEPTION_MAX_ERRSTR 256
41
42			/**
43			* A described exception.
44			*/
45			class MsgException: public Exception {
46			protected:
47			char estr[MSG_EXCEPTION_MAX_ERRSTR];
48			public:
49			MsgException(const char *errstr) throw();
50			MsgException() throw();
51			/* new */
52			virtual String &reason(String &result) const;
53			};
54
55			/**
56			* A formatted described exception.
57			*/
58			class MsgfException: public MsgException {
59			public:
60			MsgfException(const char *errstr, ...) throw();
61			};
62
63			/**
64			* A I/O exception.
65			*/
66			class IOException: public Exception {
67			protected:
68			String errstr;
69			public:
70			int mPosixErrno;
71
72			IOException(int aPosixErrno) throw();
73			virtual ~IOException();
74			/* new */
75			virtual String &reason(String &result) const;
76			};
77
78			class InternalException: public Exception {
79			public:
80			};
81
82			/**
83			* A exception, indicating a not-implemented function.
84			*/
85			class NotImplementedException: public InternalException {
86			protected:
87			String location;
88			public:
89			NotImplementedException(const String &filename, int line_number) throw();
90			/* new */
91			virtual String &reason(String &result) const;
92			};
93
94			/**
95			* A exception, indicating a illegal argument.
96			*/
97			class IllegalArgumentException: public InternalException {
98			protected:
99			String location;
100			public:
101			IllegalArgumentException(const String &filename, int line_number) throw();
102			/* new */
103			virtual String &reason(String &result) const;
104			};
105
106			/**
107			* A exception, indicating a illegal type-cast.
108			*/
109			class TypeCastException: public InternalException {
110			protected:
111			String aresult;
112			public:
113			TypeCastException(const String &cast_type, const String &obj_type) throw();
114			/* new */
115			virtual String &reason(String &result) const;
116			};
117
118			#endif /* __EXCEPT_H__ */
119